Switchover valve

Details Switchover valve Switchover valve

1991-10-25

1993-03-02

Michalsky, Gerald A.

Fluid handling

Systems

Multi-way valve unit

137597, F16K 11074

Patent

active

051900777

ABSTRACT:
A switchover valve has a housing having an axis, a generally circular valve plate, and a generally circular control plate. The valve plate is fixed in the housing centered on the axis, has an inner face, and is formed with an outlet port and an inlet port both opening at the face. The ports are radially offset from the axis and angularly equispaced from each other. The control plate is rotatable about the axis in the housing, has an inner face flatly sealingly engaging the valve-plate face, and is formed offset from the axis with a crossflow pocket opening at the face. Thus the control plate is movable angularly about the axis between a crossflow position with the pocket overlying and forming a fluid-flow connection between the inlet port and the outlet port and a blocking position with the pocket wholly angularly offset from at least one of the ports and thereby preventing flow between the ports.

REFERENCES:
patent: 3385321 (1968-05-01), Ehrens et al.
patent: 4414883 (1983-11-01), Dauvergne

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